package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

/**
 * 菜品管理
 */
@RestController
@RequestMapping("/admin/dish")
@Api(tags = "菜品相关接口")
@Slf4j
public class DishController {

    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;

    /**
     * 新增菜品
     *
     * @param dishDTO
     * @return
     */
    @PostMapping
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO dishDTO) {
        log.info("新增菜品：{}", dishDTO);
        dishService.saveWithFlavor(dishDTO);//后绪步骤开发
        String key= "dish_"+dishDTO.getCategoryId();
        //清除缓存
        cleanCache(key);
        return Result.success();
    }


    /**
     * 菜品分页条件查询 dish
     * @param dishPageQueryDTO
     * @return
     */
    @GetMapping("/page")
    public Result page(DishPageQueryDTO dishPageQueryDTO){
        log.info("菜品分页条件查询:{}", dishPageQueryDTO);
        PageResult page = dishService.page(dishPageQueryDTO);
        return Result.success(page);
    }


    /**
     * 批量删除菜品
     * @param ids
     * @return
     */
    @DeleteMapping
    public Result deleteByIds(@RequestParam List<Long> ids){
        log.info("删除菜品以及相关口味,id是:{}",ids);
        dishService.deleteByIds(ids);
        //将所有的菜品缓存数据清理掉，所有以dish_开头的key
        cleanCache("dish_*");
        return Result.success();
    }

    /**
     * 修改菜品状态
     * @param status
     * @param id
     * @return
     */
    @PostMapping("status/{status}")
    public Result updateStatus(@PathVariable Integer status,Long id){
        dishService.updateStatus(status,id);
        //将所有的菜品缓存数据清理掉，所有以dish_开头的key
        cleanCache("dish_*");
        return Result.success();
    }

    /**
     * 根据ID查询菜品  修改回显
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    public Result getById(@PathVariable Long id){
        DishVO dish = dishService.getById(id);
        return Result.success(dish);
    }

    /**
     * 修改菜品
     * @param dishDTO
     * @return
     */
    @PutMapping
    public Result update(@RequestBody DishDTO dishDTO){
        dishService.update(dishDTO);
        //将所有的菜品缓存数据清理掉，所有以dish_开头的key
        cleanCache("dish_*");
        return Result.success();
    }

    /**
     * 根据分类ID查询菜品
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    public Result list(Long categoryId){
        List<Dish> dishs = dishService.getByCategoryId(categoryId);
        return Result.success(dishs);
    }

    /**
     * 清楚缓存
     * @param pattern
     */
    private void cleanCache(String pattern){
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }
}